Who negotiated the treaty of 1805 with the Native Americans? I need this for a social studies test ASAP

Zebulon Pike, a United States army Lieutenant was first to negotiate with the Natives.

Explanation:

Lt. Zebulon Pike

1805: In 1805 the Dakota ceded 100,000 acres of land at the confluence of the Mississippi and Minnesota rivers. U.S. Army Lt. Zebulon Pike negotiated the agreement so the U.S. government could build a military fort there. Of the seven Indian leaders present at the negotiations, only two signed the treaty

Explanation:

plz mark me as brainliest

you probably know the answer. stop asking stupid questions and making me waste my time. j.k. ; )   b.t.w. what are three ratios equivalent to 5 : 11? thx

answer; ethnocentrism;